CVE-2022-20509

Name: CVE-2022-20509
Creator: NVD / NIST
Published: 2022-12-16T16:15:16.75+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2022-20509 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. In mapGrantorDescr of MessageQueueBase.h, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

In mapGrantorDescr of MessageQueueBase.h, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-244713317

Metrics

CVSS 3.1

6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.17%

7.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Android	13.0

References

https://source.android.com/security/bulletin/pixel/2022-12-01Patch, Vendor Advisory
https://source.android.com/security/bulletin/pixel/2022-12-01Patch, Vendor Advisory

Timeline

Published: Dec 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-20509?

How severe is CVE-2022-20509?

CVE-2022-20509 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2022-20509?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-20509?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST